V2EX ganglioside

Ganglioside

释义 / Definition

神经节苷脂:一种主要存在于神经细胞膜上的糖鞘脂(glycolipid),通常含有唾液酸(sialic acid)。它参与细胞识别、信号传导与神经系统发育等过程。(在生物医学中也常按类型命名,如 GM1、GM2 等。)

发音 / Pronunciation (IPA)

/lisad/

例句 / Examples

Gangliosides are abundant in the brain.
神经节苷脂在大脑中含量很高。

A defect in lysosomal enzymes can lead to the accumulation of GM2 ganglioside, causing severe neurological symptoms.
溶酶体酶的缺陷可能导致 GM2 神经节苷脂堆积,从而引发严重的神经系统症状。

词源 / Etymology

gangliosideganglion(神经节)+ -oside(在化学命名中表示“糖苷/糖衍生物”的后缀)构成,字面意思接近“与神经节相关的糖脂/糖苷类物质”。该词的命名反映了它最早与神经组织(尤其是神经系统)研究的密切关联。

相关词 / Related Words

文学与典籍中的用例 / Literary & Notable Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)在膜脂与糖脂章节讨论 gangliosides 的结构与功能。
  • Molecular Biology of the Cell(《细胞的分子生物学》)涉及细胞膜、糖被与细胞识别时提到 gangliosides。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯与科特兰病理学基础》)在溶酶体贮积病(如 GM2 相关疾病)中讨论 ganglioside 的异常累积。
  • Biochemistry(Berg, Tymoczko, Gatto, Stryer;《斯特赖尔生物化学》)在糖脂与鞘脂代谢部分提及 gangliosides。
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